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Title:
On the Frequency and Remnants of Hypernovae
Authors:
Hansen, Brad M. S.
Publication:
The Astrophysical Journal, Volume 512, Issue 2, pp. L117-L120. (ApJ Homepage)
Publication Date:
02/1999
Origin:
APJ
ApJ Keywords:
GAMMA RAYS: BURSTS, STARS: PULSARS: GENERAL, STARS: KINEMATICS, STARS: NEUTRON, STARS: SUPERNOVAE: GENERAL
DOI:
10.1086/311890
Bibliographic Code:
1999ApJ...512L.117H

Abstract

Under the hypothesis that some fraction of massive stellar core collapses give rise to unusually energetic events termed hypernovae, I examine the required rates assuming that some fraction of such events yield gamma-ray bursts. I then discuss evidence from studies of pulsars and r-process nucleosynthesis that independently suggests the existence of a class of unusually energetic events. Finally, I describe a scenario that links these different lines of evidence as support for the hypernova hypothesis.
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